宝鸡地区引种栽植常绿木本园林植物的适应性综合评价

Comprehensive Evaluation on the Adaptability of Introduced Evergreen Woody Plants for Gardening in Baoji Area

为总结和指导未来宝鸡市常绿园林植物科学合理引种栽植,利用抗寒性、营养生长、生殖生长等4个主要评价因子,采用专家意见法赋权、加法模型,对该地区多年引种栽植的56种常绿乔灌木进行了调查和适应性综合评价.结果为宝鸡市常绿园林植物综合适应性为Ⅰ级者共22种(针叶树13种,阔叶树9种;乔木13种,灌木9种),Ⅱ级12种,Ⅲ级共19种,Ⅳ级3种(香樟、夹竹桃、山茶),宝鸡市引种栽植的常绿园林植物以综合适应性较强的Ⅰ、Ⅱ级为主,树种选择基本科学合理.

56 evergreen trees and shrubs introduced from other areas in Baoji,Shaanxi province were investigated.Four main evaluation factors including cold resistance,vegetative growth and reproductive growth were determined,and the adaptability was comprehensively analyzed and evaluated by expert opinion method and addition model.The results showed that there were 22 evergreen garden plants in Baoji City with comprehensive adaptability of Grade I(13 coniferous trees,9 broad-leaved trees;13 arbor trees,9 shrubs),19 of Grade II,18 of Grade III,and 3 of Grade IV(Cinnamomum camphora,Nerium indicum,Camellia japonica).The evergreen garden plants introduced and planted in Baoji City were mainly Grade I and Grade II with strong comprehensive adaptability,and the selection of tree species was generally on a scientific and reasonable basis.